Round-Ups can be enabled using the following steps:

For mobile users:

1. From the main menu, select Settings
2. Select Linked Cards
3. Select the circle or slider next to Automatic Round-Ups to activate Round-Ups

For web users:
1. From the menu bar, select Invest
2. Select Manage Round-Up Settings
3. Select Edit Cards
4. Use the toggle switch to activate Automatic Round-Ups